Additions/52 lazy load component (#963)

* feat: create challenge 52 on lazy load component

Initial boilerplate from `nx g @angular-challenges/cli:challenge`

* feat: revert to NgModule

Copy of 31

* feat: initial version of starting point

* feat: add documentation

* feat: pr tweaks

Add author file
Remove thomas from the contributor list
Add a more direct hint

* feat: pr tweaks

Update "Go to the latest Challenge" link

apps/angular/52-lazy-load-component/src/app/app.component.ts

@@ -0,0 +1,22 @@
+import { Component, signal } from '@angular/core';
+
+@Component({
+  selector: 'app-root',
+  template: `
+    <div class="h-screen bg-gray-500">
+      @if (topLoaded()) {
+        <app-top />
+      } @else {
+        <app-placeholder />
+        <button
+          class="rounded-sm border border-blue-500 bg-blue-300 p-2"
+          (click)="topLoaded.set(true)">
+          Load Top
+        </button>
+      }
+    </div>
+  `,
+})
+export class AppComponent {
+  topLoaded = signal(false);
+}